New England Journal of Medicine New England Journal of Medicine, Massachusetts Medical Society, 2018, 378 (23), pp.2191-2201 The New England journal of medicine Andersen, G, Weitzel, P V, Damgaard, D W, NAVIGATE ESUS Investigators & The NAVIGATE ESUS Investigators 2018, ' Rivaroxaban for Stroke Prevention after Embolic Stroke of Undetermined Source ', The New England Journal of Medicine, vol. 378, no. 23, pp. 2191-2201 . https://doi.org/10.1056/NEJMoa1802686